Surface-condensing plant.



No. 806,132. PATENTED DEC. 5, 19.05.

A. GIESLER.

SURFACE GON DENSING PLANT.

APPLICATION FILED JULY 28,1905.

; UNITED STATES PATENT OFFICE;

ARTHUR GIEsL 'OF DAYTON. OHIO, ASSIG'NORFTO THE PLAT-l IRON WORKS COMPANY, or DAYTON, OHIO, ACORPORATION or orno;

SYURFAGE-CONDENSING PLANT,

: Specification of Letters Patent.

Patented Dec. 5, 1905.

Application filed uly 28 1905. Serial No. 271,568.

T at whom it may concern:

Be it known that I, ARTHUR GIESLRR, a citizen of the United States, residing at Dayton, in the county of Montgomery and State of Ohio, have invented certain new and useful Improvements in Surface OOndenSing Plants, of which the following is a specification.

My improvement relates to improvements in surface-condensing plants, and especially relates tolmprovements in the means by which the water of condensation is handled and sepa-.

rated from the air and other non-.condensable vapors, the water of condensation being efiiciently removed from the surface condenser no matter what variation occurs in the amount of said condensed water. I .attain these objects by the construction shown in the accompanying drawing, in which the figure is an elevation, partly diagrammatic, of a plant embodying my invention.

It has been found in practice that a much greater efficiency is secured by removing the a water and air from the surface condenser'by means of separate pumps, one of which is generally vcalled the dry-air pump and the other the wet pump. The use of a rotary or centrifugal pump for removing the water of condensation is also desirable, owing to the fact that said pump will remove the water in varying quantities withoutafiecting the speed of said pump, which speed may be uniform with varying quantities of the water. In my improved device I *have 'soarranged'the'centrifugal pump that it will become effective and operate under varying conditions and in a manner in which all the air and non-condensable vapors are separated from the water of condensation before they are led to the centrifugal pump, which otherwise wouldpre vent the operation of the pump by means'of the expansive force of said air or vapors being allowed to pass into the centrifugal pump with the water.

In the accompanyingdrawings, or represents .the surface condenser, which may be of any improved form.

I) is the water-circulating pump.

0 is the dry-air pump, and OZ the wet pump, which is of the centrifugal type.

e is the hot-well, into which the water of condensation is discharged, and c ,is the suction-pipe leading from the dry-air pump to the hot-well, through which the air and noncondensable gases are drawn in the usual way.

pipe 6 To provide for effectively supplying the centrifugal pipe d with the water of c'o'ndensation and also remove all the airand other noncondensable gases or vapors therefrom, I pro-.

vide an intermediate chamber d, from the bottom of which leads a supply-pipe d to the centrifugal pump 0). The water of condensation is led from the bottom of the hot-well a through an overflow-pipe 0 which is preferably turned upwardly within the intermediate chamber 03, as shown at 0 the top of this pipe being at a suflioient-level to cause the water from the 'hot well to overflow through the top of said pipe and pass into the bottom of the intermediate chamber (1. The inter-- mediate chamber d is placed upon such a,

level that the water will remain in the bottom of said chamber; but a sufiicient head to cause it to pass into the centrifugal pipe OZ may be gathered without submergingthe end of the From the top of the intermediate chamber d there leads a pipe 0 which connects with the suctionrpipevc of the dry-air pump, and thus secures a vacuum in the top of the chamber at equal to that within the hot-well thus allowing the water to pass by gravity through the pipe 6 and overflow-pipe 6 into the intermediate chamber d, at which point all gases or non condensable vapors therein will be discharged and removed through the branch pipe 0 The use of this intermediate chamber in the manner described produces an efficient working of the centrifugal pump 03', which cannot be secured when connected direct to the hot-well.

Having thus described my invention, I

, claim 1. In a condenser plant, a centrifugal pump for removing the waters of condensation, an intermediate chamber between the hot-well and said pump, and a dry-air pump connected to said intermediate chamber and said hotwell, substantially as specified.

'2. The combination with a condensing plant of a dry-air pump, a centrifugal pump forremoving the waters of condensation, an inter mediate chamber between said condenser and said pump, and an overflow-pipe'in said intermediate chamber, and a connection from the topof said intermediate chamber to said dryair pump, substantially as specified.

3. The'combination with the centrifugal pump, theintermediate chamber, the conv denser and hot-well as described, of a pipe lead-- ing" from said hot-well to said intermediate chamber and adapted to overflow into said intermediate chamber, said intermediate chamber being extended above and below the cen- 5 ter of the centrifugal pump to maintain the Vitnesses:

A. G. DAUGHERTY, HENRIETTA STRAUB.

In testimony whereof I have hereunto set my hand this 24th day of J uly, A. D. 1905.

ARTHUR GIESLER.

Water-level below the top of said overflowpipe, substantially as specified. 

